-----Original Message-----
From: Nordgren, Bryce L -FS [mailto:bnordg...@fs.fed.us]
Sent: Friday, April 10, 2015 9:27 PM
To: Alexander Frolushkin (SIB); 'Martin Kosek'; freeipa-users@redhat.com
Subject: RE: [Freeipa-users] user account without password

>> Also, if such account will also exist locally (my case), it will not
>> be controlled by HBAC rules - it can be a some kind of security trap...

>Pretty sure accounts should be either local or domain-wide, but not both. 
>Could lead to strange and unforeseen side effects. Last I checked, only local 
>accounts can run services. It may be advantageous to allow local accounts 
>(which can run services) to have a representation in the domain, but the local 
>>accounts need to be scoped to the local machine (e.g., "apache" on server 1 
>is different than "apache" on server 2). At least that way, they could belong 
>to the same groups domain accounts belong to. SSO certainly shouldn't work. 
>Any access to shared storage should distinguish between same-named >accounts 
>on different machines.

>Alternatively, allowing domain accounts to run certain services also has some 
>merit. (assuming the user has permissions to do so.)

>Just thinking into email.
>Bryce

I have a long and positive experience using both local and IPA users with the 
same attributes, but without HBAC and without sudo way to obtain shell of such 
users.
Default settings in nsswitch.conf and pam provides straight and clear systems 
behavior, for about three years.
But I agree there can be case when such construction may lead to misbehavior 
and so on. We will try to avoid them.
SSO not really the aim for us, we just need to made a environment where users 
must remember only one password to access all resources on unix/linux servers.

Not trying to argue, just sharing some thoughts :)
Alexander

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